Model:
Wrangler, Cherokee (XJ), Grand Cherokee (ZJ)
Model Years Covered By Manual:
1991-1993 (Cherokee XJ & Wrangler YJ), 1993 (Grand Cherokee ZJ)
Product Type:
Parts Catalog
Market Position:
Essential for owners, mechanics, and restoration enthusiasts seeking accurate and original parts for 1991-1996 era Jeep SUVs. Positioned as a critical resource for maintaining the authenticity and functionality of these iconic off-road vehicles.
Competitive Analysis:
Competes with aftermarket parts catalogs and general repair manuals. This specific Mopar parts catalog offers the definitive source for genuine part numbers, crucial for ensuring correct fitment and OEM quality, which aftermarket alternatives may not guarantee.
Key Features:
1045 pages of detailed parts information, clear exploded views, comprehensive part number listings for three distinct Jeep models across multiple years, digital PDF format for easy access and searching.
Systems Covered:
Engine assembly, cooling system, fuel system, exhaust system, drivetrain (transfer case, axles, driveshafts), manual and automatic transmissions, steering system, braking system, suspension system, electrical system (wiring harnesses, ignition, lighting, accessories), HVAC system, interior components, exterior body panels, trim, hardware, and fasteners.
Procedures Included:
Identification of genuine Mopar replacement parts, ordering of specific components, visualization of part relationships through exploded diagrams, part number lookup for all assemblies and individual pieces.
Technical Depth:
Comprehensive for parts identification and ordering. While not a repair manual detailing procedures, it provides the foundational information necessary for accurate parts procurement for maintenance, repair, and restoration.
Primary Engine 1991 1993 Cherokee Xj Wrangler Yj:
4.0L (242 ci) Inline-6 OHV (VIN S)
Primary Engine 1993 Grand Cherokee Zj:
4.0L (242 ci) Inline-6 OHV (VIN S)
Optional Engine 1991 1992 Cherokee Xj Wrangler Yj:
2.5L (150 ci) Inline-4 OHV (VIN E)
Optional Engine 1993 Cherokee Xj Wrangler Yj:
2.5L (150 ci) Inline-4 OHV (VIN E)
4.0L Inline 6 Horsepower Approx:
180-190 hp (varies slightly by year and application)
4.0L Inline 6 Torque Approx:
220-235 lb-ft (varies slightly by year and application)
2.5L Inline 4 Horsepower Approx:
125 hp
2.5L Inline 4 Torque Approx:
145 lb-ft
Fuel System Type:
Multi-point Electronic Fuel Injection (MPI)
Recommended Fuel:
Unleaded Regular (87 Octane)
Engine Codes Covered:
242ci-6, 150ci-4
Standard Transmission Wrangler Yj 1991 1993:
AX-5 5-Speed Manual Transmission
Standard Transmission Cherokee Xj 1991 1993:
AX-40P 4-Speed Automatic Transmission
Standard Transmission Grand Cherokee Zj 1993:
42RE 4-Speed Automatic Transmission
Optional Transmission Cherokee Xj 1991 1993:
AX-15 5-Speed Manual Transmission (common with 4.0L)
Optional Transmission Wrangler Yj 1991 1993:
Optional 4-Speed Automatic (e.g., 30RH for 4.0L)
Optional Transmission Grand Cherokee Zj 1993:
42RE 4-Speed Automatic Transmission (standard on 4.0L, mandatory on 5.2L)
Transfer Case Options:
NP231 (Command-Trac 2-speed, part-time), NP242 (Selec-Trac 2-speed, full-time/part-time optional on some models)
Automatic Transmission Fluid Type:
ATF+3 (Chrysler Material Standard MS-7176)
Manual Transmission Fluid Type:
MS-9070 (or equivalent GL-3/GL-4 rated gear oil, e.g., Pennzoil Synchromesh)
Wheelbase Yj Wrangler:
93.4 inches
Wheelbase Xj Cherokee:
101.4 inches
Wheelbase Zj Grand Cherokee:
101.4 inches
Curb Weight Yj Wrangler Approx:
3,200 - 3,500 lbs
Curb Weight Xj Cherokee Approx:
3,500 - 4,000 lbs
Curb Weight Zj Grand Cherokee Approx:
4,100 - 4,500 lbs
Common Tire Size Yj Wrangler:
205/75R15, 215/75R15, 225/75R15 (OEM)
Common Tire Size Xj Cherokee:
215/75R15, 225/75R15 (OEM)
Common Tire Size Zj Grand Cherokee:
225/75R15, 225/70R16 (OEM)
Wheel Bolt Pattern:
5 x 4.5 inch (5 x 114.3 mm)
Safety Ratings NHTSA Era Specific:
NHTSA crash testing data from this era was less standardized than today. Specific ratings for these models are scarce and not directly comparable to modern standards. Generally considered safe for their time.
Active Safety Features Typical:
Four-wheel Anti-lock Braking System (ABS) - often standard on Grand Cherokee, optional or front-only on others.
Passive Safety Features Typical:
Seat belts (lap and shoulder belts front, lap belts rear), reinforced unibody construction (XJ/ZJ), sturdy steel frame and body (YJ), energy-absorbing steering column.
Infotainment System Typical:
AM/FM stereo radio with cassette player. Optional CD player on higher trims or later models within the range. Basic analog gauges and warning lights.
Driver Assistance Features:
Limited to ABS (on applicable models). No modern driver-assistance systems like adaptive cruise control, lane departure warning, etc.
Connectivity Features:
No integrated connectivity features (Bluetooth, USB, etc.). Analog systems for communication and entertainment.
Oil Change Interval Recommendation:
Typically 3,000 miles or 3 months for conventional oil, or 5,000-7,500 miles for synthetic oil, consult original owner's manual for exact specifications. This parts catalog is not a service interval guide but essential for part numbers related to oil changes (filters, drain plugs, etc.).
Engine Oil Specification:
SAE 10W-30 (4.0L), SAE 5W-30 or 10W-30 (2.5L). API Service Classification SF or SG. Consult manual for exact capacity.
Coolant Specification:
Mopar Antifreeze/Coolant (Ethylene Glycol based) meeting Chrysler MS-9769 specifications or equivalent. Typically a 50/50 mix with distilled water.
Brake Fluid Specification:
DOT 3 Hydraulic Brake Fluid.
Common Issues 4.0L Inline 6:
Head gasket failures (especially early models), cracked cylinder heads (common on 1991-1992 4.0L), premature wear of camshaft lobes, oil filter housing leaks, distributorless ignition system (DIS) issues (later models within this range).
Common Issues Xj Zj Suspension:
Worn control arm bushings, sagging leaf springs (rear) or coil springs (front), worn track bar bushings/ball joint, worn steering stabilizer.
Common Issues Electrical:
Corrosion on grounds and connectors, failure of power window motors and regulators, HVAC blower motor resistor failure.
Oil Filter Part Number Example 4.0L:
Mopar: MO-090, Fram: PH16, Wix: 51515 (These are examples, catalog contains exact OEM numbers).
Brand Heritage:
Jeep has a legendary heritage dating back to World War II, synonymous with off-road capability and ruggedness. The brand's DNA emphasizes utility, durability, and go-anywhere performance.
Model Evolution Wrangler Yj:
The YJ generation (1987-1995) marked a significant shift from the CJ series, introducing coil springs and a more modern chassis, though controversially adopting rectangular headlights. It maintained its iconic Jeep off-road prowess.
Model Evolution Cherokee Xj:
The XJ Cherokee (1984-2001) revolutionized the SUV market as one of the first compact SUVs with a unibody construction, offering a car-like ride with significant off-road capability. It was highly influential in the segment's development.
Model Evolution Grand Cherokee Zj:
The ZJ Grand Cherokee (1993-1998) was introduced as a more luxurious and refined SUV, building on the Cherokee's platform but with a longer wheelbase, independent front suspension (optional on early models, later standard), and a focus on comfort and on-road manners, while retaining significant off-road capability.
Production Period Yj:
1987-1995
Production Period Xj:
1984-2001 (North America)
Production Period Zj:
1993-1998
Recognitions Cherokee Xj:
Widely recognized as a pioneering SUV and a benchmark for its segment. Often cited in 'best SUV' lists of its era for its combination of capability, comfort, and affordability.
Recognitions Wrangler Yj:
Consistently praised for its off-road prowess and iconic styling. Remains a beloved vehicle for enthusiasts.
Recognitions Grand Cherokee Zj:
Launched to critical acclaim for its refinement and luxury compared to traditional Jeep offerings, setting a new standard for premium SUVs in its class.
